Active Segmentation Can Effectively Control Access and Improve Security

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Active Segmentation Can Effectively Control Access and Improve Security on

Mitigate the threat of hackers by defining which employees have access to what information


As data breaches continue to litter the news cycle, companies of all sizes are worried about whether they’re protected in the event they’re attacked. Security experts are quick to claim that it’s not a matter of if your network will be infiltrated, but when. If this is the truth, what is a company supposed to do to thwart an attack on their entire network?


Even though many companies have beefed up security measures in the wake of the rash of recent data breaches, which include high profile websites, government office, healthcare organizations and educational institutions, hackers are changing their tactics and focusing more on phishing schemes and malware spam that are designed to trick employees into coughing up valuable login information.


For companies that do not have proper internal network security, hackers are able to have free reign over an entire network with a single set of credentials.

Importance of network segmentation

If a business has an open network without segmentation, everyone has access to everything. This means that every employee—whether they’re in sales, marketing or legal—has access to all important data within a company.


Most businesses will not use an open system like this because creates a severe problem if the network is ever compromised. All that a hacker needs to do is gain access to a company machine or obtain a set of login credentials giving them the “keys to the kingdom.”


By segmenting your network into user groups and only allowing access to certain users that need certain information, you can reduce the damage a hacker can cause to your organization. Instead of being able to instantly have access to your entire network, a hacker would only be able to have access to the resources that were available to the employee whose credentials were compromised, which can be easier to combat.

Segmentation can protect against advanced technical threats

As a company grows using network segmentation can become extremely complicated, which is why it’s so important to retain segmentation integrity to protect against today’s most advanced technical threats.


One way that companies are tackling the changes of network segmentation in an ever-changing environment is through software-based segmentation. When you combine software-based segmentation with a robust plan for implementation, you have active segmentation, where network administrators are able to protect important network resources with little disruption to normal business practices.

Process of active segmentation

When implemented properly, the active segmentation process is cyclical:

  • Identify and categorize all network resources based on their function and role
  • Understand basic user behavior on the network
  • Design access policies that make sense from a technical and business perspective
  • Enforce all access policies
  • Continuously audit policy effectiveness
  • Adjust policies as necessary

In short, active segmentation is the process of designing access policies logically and carefully tracking network trends to ensure access controls are being utilized effectively to prevent data breaches all without affecting normal business operations. It is becoming an increasingly important security control as more companies are implementing BYOD and remote working policies. Consult with experts who can help you design a secure yet functional workforce. Contact MessageOps’ mobility experts today.

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